Working posture risk of market workers in a market at Warin Chamrab District Ubon Ratchathani Province

Abstract

          The purpose of this descriptive cross-sectional research was to assess the risks associated with working posture of market workers at a market in Warin Chamrab District Ubon Ratchathani Province. It consists of an assessment of the posture of the whole body, assessment of lifting and a study of muscle aches. Data were collected using an interview form and an ergonomic assessment form. Assessing the whole body posture (Rapid Entire Body Assessment (REBA)) and assessing lifting according to the NIOSH Lifting Analysis Worksheet. The sample consisted of 91 market workers in a market. The statistical data were analyzed using frequency, percentage, mean, standard deviation. Minimum and maximum values.

          The result of the study of the risks from the working posture of workers found that result of Rapid Entire Body Assessment (REBA), most of the samples were at high risk level. Followed by a medium risk level and low risk level. 49.5%, 48.3% and 2.2, respectively. The results of lifting assessment according to the NIOSH Lifting Analysis Worksheet, it was found that most of the samples had assessment results of both the Origin Lift Index and the Destination Lift Index values, at the level that should be changed management methods with 74.7%. In part of muscle pain symptom, it was found that the samples experienced muscle pain during work or after work. The top three areas of the body that felt the most symptom were the right shoulder, the left shoulder, and the right lower back. Representing 53.8%, 52.8 and 50.6%, respectively. From the results of the study, it was suggested that the market workers should adjust their work rotation. Including the promotion of muscle relaxation activities in the work. Training to educate about correct working posture.